it is alpine
if there is friction on the hill it will slow you down
skiing is......... going down hill on snow using skies to guid you
Snowsport
aerobic.
when you are skiing down a hill and you want to slow down
*Cross country* skiing is where you are skiing on flat terrain. It's much more work than skiing down a hill.
There is no such event as "speed skiing" but Downhill skiing is basically the equivalent. In downhill racers go through a set of gates which are spaced about 100 meters apart. The objective is to get down the mountain as fast as possible. The racers usually go up to 150mph down the hill.
Down Hill Skiing
the judges score on how fast you go down the hill.
Ski bas d'une colline
That loosely describes skiing.